Regarding 10th 100 years, to the adoption regarding Christianity, old Rus and additionally used the device of chronology that were utilized by the fresh new Romans: the newest es out of weeks, and 7-go out times. C. The year began to your March 1 whenever farming work first started. That it chronology stayed put before end of one’s 15th millennium, if the start of the 12 months try moved to September 1. Více